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71e8831f AG |
1 | /* |
2 | * | |
3 | * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ | |
4 | * Author: Rob Clark <rob@ti.com> | |
5 | * Andy Gross <andy.gross@ti.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License as | |
9 | * published by the Free Software Foundation version 2. | |
10 | * | |
11 | * This program is distributed "as is" WITHOUT ANY WARRANTY of any | |
12 | * kind, whether express or implied; without even the implied warranty | |
13 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | */ | |
16 | #ifndef OMAP_DMM_TILER_H | |
17 | #define OMAP_DMM_TILER_H | |
18 | ||
19 | #include "omap_drv.h" | |
20 | #include "tcm.h" | |
21 | ||
22 | enum tiler_fmt { | |
23 | TILFMT_8BIT = 0, | |
24 | TILFMT_16BIT, | |
25 | TILFMT_32BIT, | |
26 | TILFMT_PAGE, | |
27 | TILFMT_NFORMATS | |
28 | }; | |
29 | ||
30 | struct pat_area { | |
31 | u32 x0:8; | |
32 | u32 y0:8; | |
33 | u32 x1:8; | |
34 | u32 y1:8; | |
35 | }; | |
36 | ||
37 | struct tiler_block { | |
38 | struct list_head alloc_node; /* node for global block list */ | |
39 | struct tcm_area area; /* area */ | |
40 | enum tiler_fmt fmt; /* format */ | |
41 | }; | |
42 | ||
43 | /* bits representing the same slot in DMM-TILER hw-block */ | |
44 | #define SLOT_WIDTH_BITS 6 | |
45 | #define SLOT_HEIGHT_BITS 6 | |
46 | ||
47 | /* bits reserved to describe coordinates in DMM-TILER hw-block */ | |
48 | #define CONT_WIDTH_BITS 14 | |
49 | #define CONT_HEIGHT_BITS 13 | |
50 | ||
51 | /* calculated constants */ | |
52 | #define TILER_PAGE (1 << (SLOT_WIDTH_BITS + SLOT_HEIGHT_BITS)) | |
53 | #define TILER_WIDTH (1 << (CONT_WIDTH_BITS - SLOT_WIDTH_BITS)) | |
54 | #define TILER_HEIGHT (1 << (CONT_HEIGHT_BITS - SLOT_HEIGHT_BITS)) | |
55 | ||
3c810c61 RC |
56 | /* |
57 | Table 15-11. Coding and Description of TILER Orientations | |
58 | S Y X Description Alternate description | |
59 | 0 0 0 0-degree view Natural view | |
60 | 0 0 1 0-degree view with vertical mirror 180-degree view with horizontal mirror | |
61 | 0 1 0 0-degree view with horizontal mirror 180-degree view with vertical mirror | |
62 | 0 1 1 180-degree view | |
63 | 1 0 0 90-degree view with vertical mirror 270-degree view with horizontal mirror | |
64 | 1 0 1 270-degree view | |
65 | 1 1 0 90-degree view | |
66 | 1 1 1 90-degree view with horizontal mirror 270-degree view with vertical mirror | |
67 | */ | |
71e8831f AG |
68 | #define MASK_XY_FLIP (1 << 31) |
69 | #define MASK_Y_INVERT (1 << 30) | |
70 | #define MASK_X_INVERT (1 << 29) | |
71 | #define SHIFT_ACC_MODE 27 | |
72 | #define MASK_ACC_MODE 3 | |
73 | ||
74 | #define MASK(bits) ((1 << (bits)) - 1) | |
75 | ||
76 | #define TILVIEW_8BIT 0x60000000u | |
77 | #define TILVIEW_16BIT (TILVIEW_8BIT + VIEW_SIZE) | |
78 | #define TILVIEW_32BIT (TILVIEW_16BIT + VIEW_SIZE) | |
79 | #define TILVIEW_PAGE (TILVIEW_32BIT + VIEW_SIZE) | |
80 | #define TILVIEW_END (TILVIEW_PAGE + VIEW_SIZE) | |
81 | ||
82 | /* create tsptr by adding view orientation and access mode */ | |
83 | #define TIL_ADDR(x, orient, a)\ | |
84 | ((u32) (x) | (orient) | ((a) << SHIFT_ACC_MODE)) | |
85 | ||
6169a148 AG |
86 | #ifdef CONFIG_DEBUG_FS |
87 | int tiler_map_show(struct seq_file *s, void *arg); | |
88 | #endif | |
89 | ||
71e8831f | 90 | /* pin/unpin */ |
a6a91827 RC |
91 | int tiler_pin(struct tiler_block *block, struct page **pages, |
92 | uint32_t npages, uint32_t roll, bool wait); | |
71e8831f AG |
93 | int tiler_unpin(struct tiler_block *block); |
94 | ||
95 | /* reserve/release */ | |
96 | struct tiler_block *tiler_reserve_2d(enum tiler_fmt fmt, uint16_t w, uint16_t h, | |
97 | uint16_t align); | |
98 | struct tiler_block *tiler_reserve_1d(size_t size); | |
99 | int tiler_release(struct tiler_block *block); | |
100 | ||
101 | /* utilities */ | |
102 | dma_addr_t tiler_ssptr(struct tiler_block *block); | |
3c810c61 RC |
103 | dma_addr_t tiler_tsptr(struct tiler_block *block, uint32_t orient, |
104 | uint32_t x, uint32_t y); | |
105 | uint32_t tiler_stride(enum tiler_fmt fmt, uint32_t orient); | |
71e8831f AG |
106 | size_t tiler_size(enum tiler_fmt fmt, uint16_t w, uint16_t h); |
107 | size_t tiler_vsize(enum tiler_fmt fmt, uint16_t w, uint16_t h); | |
108 | void tiler_align(enum tiler_fmt fmt, uint16_t *w, uint16_t *h); | |
e5e4e9b7 | 109 | bool dmm_is_available(void); |
71e8831f | 110 | |
5c137797 | 111 | extern struct platform_driver omap_dmm_driver; |
71e8831f AG |
112 | |
113 | /* GEM bo flags -> tiler fmt */ | |
114 | static inline enum tiler_fmt gem2fmt(uint32_t flags) | |
115 | { | |
116 | switch (flags & OMAP_BO_TILED) { | |
117 | case OMAP_BO_TILED_8: | |
118 | return TILFMT_8BIT; | |
119 | case OMAP_BO_TILED_16: | |
120 | return TILFMT_16BIT; | |
121 | case OMAP_BO_TILED_32: | |
122 | return TILFMT_32BIT; | |
123 | default: | |
124 | return TILFMT_PAGE; | |
125 | } | |
126 | } | |
127 | ||
128 | static inline bool validfmt(enum tiler_fmt fmt) | |
129 | { | |
130 | switch (fmt) { | |
131 | case TILFMT_8BIT: | |
132 | case TILFMT_16BIT: | |
133 | case TILFMT_32BIT: | |
134 | case TILFMT_PAGE: | |
135 | return true; | |
136 | default: | |
137 | return false; | |
138 | } | |
139 | } | |
140 | ||
71e8831f | 141 | #endif |